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1764AS420 — GUARD,HOSE-TUBING

✓ Government record, cited
— · PIPE SECTION
PRODUCT OVERVIEW

1764AS420: GUARD,HOSE-TUBING.

The GUARD,HOSE-TUBING is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYAMIDE NYLON, inside_diameter: 1.500 INCHES NOMINAL IN, outside_diameter: 2.130 INCHES NOMINAL IN, end_item_identification: AIRCRAFT. This part is cataloged in the U.S.

Government catalog under NSN 4720-01-435-7737, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
1764AS420
NSN: 4720-01-435-7737
FSC: 4720 — Hose and Flexible Tubing
CAGE: 30003 — NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialPLASTIC POLYAMIDE NYLON
inside_diameter1.500 INCHES NOMINAL IN
outside_diameter2.130 INCHES NOMINAL IN
end_item_identificationAIRCRAFT
NSN4720-01-435-7737
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 1764AS420 · OEM ⚠ VERIFY BEFORE ORDERING Schedule = wall thickness, NOT pipe diameter. Sch 40 and Sch 80 have the same OD but different wall thickness. Nominal pipe size ≠ actual OD — a 1" pipe is actually 1.315" OD ✓ BROKER TIP Sch 40 = standard wall, Sch 80 = heavy wall (higher pressure), Sch 160 = extra heavy. Seamless pipe is required for high-pressure applications — welded pipe has lower ratings PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
OUTSIDE DIAMETER: 2.130 INCHES NOMINAL IN
•
INSIDE DIAMETER: 1.500 INCHES NOMINAL IN
•
MATERIAL: PLASTIC POLYAMIDE NYLON
TECHNICAL CHARACTERISTICS
OUTSIDE DIAMETER2.130 INCHES NOMINAL IN
INSIDE DIAMETER1.500 INCHES NOMINAL IN
END ITEM IDENTIFICATIONAIRCRAFT
MATERIALPLASTIC POLYAMIDE NYLON
OTHER ITEMS IN FSC 4720 — Hose and Flexible Tubing
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4720-00-000-0080 4720-00-000-0081 4720-00-000-0084 4720-00-000-0724 4720-00-001-0014 4720-00-001-0015 4720-00-001-0023 4720-00-001-0025
SUBSTITUTES & CROSS-REFERENCES 1
AS-B-37Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1764AS420?
1764AS420 is a GUARD,HOSE-TUBING.
What parts can replace 1764AS420?
There is 1 known substitute for 1764AS420: AS-B-37. Substitute compatibility should be verified for your specific system.
What is the NSN for 1764AS420?
1764AS420 is cataloged in the U.S. Government catalog under NSN 4720-01-435-7737. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.